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Table 3 The sensitivity, specificity, positive and negative predictive value of prolonged cesarean delivery (> 90th percentile) to each one of the post-operative maternal complications

From: Prolonged operative time of repeat cesarean is a risk marker for post-operative maternal complications

 

sensitivity

specificity

PPV

NPV

Post-operative blood transfusion

0.36

0.85

0.15

0.99

Prolonged length of hospitalizationa

0.29

0.84

0.08

0.96

Rx with antibioticsb

0.25

0.84

0.12

0.93

Re- admission

0.30

0.84

0.02

0.99

Composite post-operative complicationc

0.26

0.85

0.20

0.89

  1. PPV positive predictive value, NPV negative predictive value
  2. aprolonged length of maternal hospitalization defined as discharge after 7 days or more
  3. bRx with either Gentamycin, Augmentin, Ciprofloxacin, Cefazolin
  4. ccombining post-operative blood transfusion, prolonged length of hospitalization, necessitating antibiotic treatment and readmission